Portsmouth
10 day weather forecast for Portsmouth
Tuesday, 3rd November 2026, at 20:09
Today
13° 9°
Tomorrow
12° 8°
Thursday
11° 8°
Friday
11° 8°
Saturday
12° 8°
Sunday
11° 8°
Monday
11° 9°
Seemore
Portsmouth Weather Pages
Portsmouth weather forecast
The weather forecast for Portsmouth over the next 5 days indicates chilly conditions with temperatures ranging from 11 °C to 13 °C.
Rain is expected today and will continue at least through Saturday.
Wind speeds are expected to be strong, averaging around 36.4 km/h.
Portsmouth 14 days weather forecast
This weeks weather in Portsmouth. Click on a date for detailed forecasts
Tue. 3
13°
9°
0.3 mm
Wed. 4
12°
8°
0.3 mm
Thu. 5
11°
8°
0.6 mm
Fri. 6
11°
8°
2.9 mm
Sat. 7
12°
8°
4 mm
Sun. 8
11°
8°
1.7 mm
Mon. 9
11°
9°
0 mm
Tue. 10
11°
9°
0.1 mm
Wed. 11
10°
7°
0 mm
Thu. 12
10°
7°
14.7 mm
Fri. 13
9°
7°
0.1 mm
Sat. 14
9°
7°
0.1 mm
Sun. 15
11°
8°
0.5 mm
Mon. 16
12°
11°
1.8 mm
Further Ahead
You can click on date
Access Portsmouth weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Portsmouth long range weather forecast
30 day weather forecast for Portsmouth
Important Notice
Our Portsmouth long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Portsmouth
A total of 27 mm is expected over 5 rainy days. The wettest day is Thursday 12, with 14.7 mm. Click a day for details.
Portsmouth Wind Speed Forecast Chart
The windiest day is tomorrow, with winds up to 40.3 km/h from the NE. The calmest day is Sunday 15. The average daily maximum is 22.9 km/h.
Tue. 3
36.4 km/h
NE · Fresh breeze
Wed. 4
40.3 km/h
NE · Strong wind
Thu. 5
33.8 km/h
E · Fresh breeze
Fri. 6
20.5 km/h
NE · Moderate breeze
Sat. 7
22.3 km/h
NE · Moderate breeze
Sun. 8
14.4 km/h
E · Gentle breeze
Mon. 9
26.6 km/h
E · Moderate breeze
Tue. 10
26.6 km/h
NE · Moderate breeze
Wed. 11
13 km/h
N · Gentle breeze
Thu. 12
17.3 km/h
N · Gentle breeze
Fri. 13
23.8 km/h
N · Moderate breeze
Sat. 14
17.6 km/h
NE · Gentle breeze
Sun. 15
11.5 km/h
E · Light breeze
Mon. 16
16.9 km/h
SE · Gentle breeze
CalmLight breezeGentle breezeModerate breezeFresh breeze
Frequently asked questions about the weather in Portsmouth
How warm is it in Portsmouth over the next 14 days?
Over the next two weeks, temperatures in Portsmouth are expected to range from around 7 °C on the coldest nights up to about 13 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Portsmouth in the next two weeks?
Yes - rain is expected on about 5 of the next 14 days in Portsmouth, with roughly 27 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Portsmouth?
Maximum wind speeds in Portsmouth are forecast to reach about 40.3 km/h at their peak over the next 14 days.
When is the best time to visit Portsmouth?
For a month-by-month look at temperatures and rainfall, see our best time to visit Portsmouth guide.
How accurate is the 14-day forecast for Portsmouth?
Our Portsmouth forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
Quick links
More Portsmouth weather pages
You are here
Where is Portsmouth?Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.
Found a mistake?
We appreciate your attention to details. Tell us here.